The higher abundance of O16 in glacial ice occurs because it is the lighter oxygen isotope; it evaporates more easily

than O18 and then is precipitated as snow.
a. True
b. False


True

Environmental & Atmospheric Sciences

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Which of the following locations would have low July dew points, primarily because of the rain shadow effect?



A) A
B) B
C) C
D) D

Environmental & Atmospheric Sciences

Noncompetitive inhibition can be often explained by which of the following models?

A) the induced fit model B) the lock and key model C) both a and b D) neither a nor b

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Which of the following explains why clay-rich soils are less permeable than sandy soils?

A. clay particles are electrically charged and very small. B. clay soils have greater porosity. C. pores spaces of clay soils become plugged with sand grains. D. sandy soils tend to form in areas with abundant rainfall. E. sandy soils have greater vegetation cover.

Environmental & Atmospheric Sciences

What societies have birthrates of 40 births per thousand people?

A) agrarian B) industrial C) post-industrial D) technological E) none of the above

Environmental & Atmospheric Sciences